2010/06/24 by Fang Huang, Huang, Fang, Shao-Han Chen +5 · 2 citations
Mathematics · #Advanced Topics in Algebra #Algebraic structures and combinatorial models #Category Theory (math.CT) #FOS: Mathematics #FOS: Physical sciences #Homotopy and Cohomology in Algebraic Topology #Mathematical Physics (math-ph)
paper · pdf · doi:10.48550/arxiv.1006.4677
openalex publication_date 2010/06/24 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
In this paper, we will prove that the 2-category (2-SGp) of symmetric 2-groups and 2-category (\cR-2-Mod) of \cR-2-modules(\cite5) have enough projective objects, respectively.